By Dheya Career Mentors · 3 min read · Updated 28 October 2026

Nautical Science Career: Becoming a Deck Officer

Nautical science trains you to navigate ships. Here is how the path to deck officer works.

What nautical science leads to

Nautical science prepares students to become deck officers on merchant ships — responsible for navigation, cargo operations and safety — with a long-term path towards becoming a captain.

Course and eligibility

The B.Sc. Nautical Science is commonly entered after Class 12 with Physics, Chemistry and Mathematics, along with medical fitness and eyesight standards. Admissions to many programmes are linked to the Indian Maritime University common entrance test (checked 2026-10-28).

Maritime training institutes must be approved by the Directorate General of Shipping, which also publishes warnings about unapproved institutes. Always verify approval before paying fees.

Life at sea

Contracts can last several months, followed by leave ashore. The career rewards discipline, teamwork and comfort with long periods away from home.

Deciding whether it fits you

A field can look exciting from the outside and still be a poor fit. Before committing, talk to two or three people already doing the work, try a short course or project, and notice whether the day-to-day tasks energise or drain you. A structured conversation with a mentor can help you compare options against your interests, abilities and values rather than trends alone.

Frequently asked questions

Is nautical science the same as marine engineering?

No. Nautical science trains deck officers who navigate; marine engineering trains engineers who run the ship's machinery.

How do I avoid fake maritime institutes?

Check the institute and course on the Directorate General of Shipping website before applying.

Are there medical requirements?

Yes. Seafarers must meet medical and eyesight standards; check the current requirements before you apply.

Keep exploring

Not sure which path fits you?

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